Despite its confusing name, a light-year is a unit of distance rather than time and it's indispensable for measuring the vast distances in the universe.
Despite its confusing name, a light-year is a unit of distance rather than time and it's indispensable for measuring the vast distances in the universe.
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What Is a Light-Year? NASA Space Place – NASA Science for Kids
How Far Does Light Travel in a Year? - Universe Today
Astronomical Unit, Definition & Conversion - Video & Lesson Transcript
A thread of the cosmic web: astronomers spot a 50 million light-year galactic filament
What Is a Light-Year?
What Is a Light Year?
Scientists Capture Radio Signal Sent From 9 Billion Light-Year Away From Earth
What is a light-year?
Lightyear Box Office: Why It Underwhelmed – The Hollywood Reporter